"""
try:
    代码
except error：
    语句

"""

# try:
#     print(5/0)
# except ZeroDivisionError:
#     print("5不能除0")
# finally:
#     print("00000")

#raise
# a = int(input())
# try:
#     if a == 0:
#         raise ValueError
# except ValueError:
#     print("你不能输入0")

# try:
#     a = 100
#     b = 100
#     print(a/0)
#     print(b/0)
# except (ZeroDivisionError,ValueError):
#     print("error")

# a = 0
# if a == 0:
#     raise TypeError("Not a valid quadratic: the leading coefficient cannot be zero.")




# try:
#     a = 100
#     b = 100
#     print(a/0)
#     print(b/0)
# except (ZeroDivisionError,ValueError) as e:
#     print(e)


# a = 0
# if a==0:
#     raise ValueError("0000")

while True:
    i = 5
    break

